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CLEAN RESULTS AND MAXIMUM ECONOMIC EFFICIENCY: TREATMENT OF COMPOST SCREEN OVERFLOW WITH ALLRECO.

CLEAN RESULTS AND MAXIMUM ECONOMIC EFFICIENCY: TREATMENT OF COMPOST SCREEN OVERFLOW WITH ALLRECO.

Your advantages with ALLRECO sophisticated solutions

The perfect solution for every task
Added value through lower disposal costs
Highest throughput rates
Efficient separation of material
Innovative concepts with screening and separation for optimum output quality
Easy handling
ALLRECO service and quality included

Exemplary processes at a glance

SCREENING » WIND SEPARATION » WATER SEPARATION

Compost screen overflow usually requires expensive thermal disposal. These costs can be reduced by processing. This produces the following useful fractions:

• High calorific refuse derived fuels
• Regenerative medium calorific refuse derived fuels
• Compost materials
• Inert stone fraction 

All of the aforementioned product fractions are also largely free of sand and compost adhesions

The compost screen overflow treatment

The compost screen overflow treatment

After the actual composting, the fine compost is screened out of the material stream. More information on this can be found on the previous pages in the section "Biowaste and green waste composting". High-quality material fractions can be generated from the remaining compost screen overflow by further process steps.

The process can consist of screening, air classification and float-sink separation. Depending on the nature of the material, process water treatment can be integrated into the process as required.

After screening the compost, the screen overflow is conveyed to the air separator, where the film fraction is separated. This can be utilized energetically as a high-calorific fraction. The heavy fraction from the air classifier is separated again in the HDS-S by a float-sink separation. Floatable materials such as wood go back to composting as structural material or are recycled for energy in a biomass power plant. The heavy fraction can be used as backfill material or further processed.

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